Game changer. Only downside, "Now what do I do with my Nemesis, or Prometheus for that matter.
Not only did it take way longer than the time it was to be expected but when I opened the box I was extremely displeased that the product had dust and cobwebs inside that I had to clean out myself.
Love this mod, 50 Rounds to 170 with an easy attachment. Your a Fool not to get this mod.
Fantastic hopper and foregrip! Shipping was fantastic as well! The extended hopper holds about 160 rounds and turns the Perses into a wonderful heavy primary. A++++++
Nerf Rival Perses Extended Hopper